Problem 859. Get the elements of diagonal and antidiagonal for any m-by-n matrix

Created by Aurelien Queffurust

Solve Later

{"relationships":[{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/document","targetMode":"","relationshipId":"rId1","target":"/matlab/document.xml"},{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/output","targetMode":"","relationshipId":"rId2","target":"/matlab/output.xml"}],"parts":[{"partUri":"/matlab/document.xml","relationship":[],"contentType":"application/vnd.mathworks.matlab.code.document+xml","content":"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<w:document xmlns:w=\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\"><w:body><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>In the problem</w:t></w:r><w:r><w:t> </w:t></w:r><w:hyperlink w:docLocation=\"http://www.mathworks.com/matlabcentral/cody/problems/858-permute-diagonal-and-antidiagonal\"><w:r><w:t>Problem 858. Permute diagonal and antidiagonal</w:t></w:r></w:hyperlink><w:r><w:t> created by</w:t></w:r><w:r><w:t> </w:t></w:r><w:hyperlink w:docLocation=\"http://www.mathworks.com/matlabcentral/cody/players/343082-jean-marie-sainthillier\"><w:r><w:t>Jean-Marie SAINTHILLIER</w:t></w:r></w:hyperlink><w:r><w:t> the test suite is only based on squared m-by-m matrix .</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>In this problem you must submit a solution which</w:t></w:r><w:r><w:t> </w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>returns the diagonal and anti-diagonal elements without using the DIAG function</w:t></w:r><w:r><w:t> for any</w:t></w:r><w:r><w:t> </w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>m-by-n matrix</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Example:</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>If the input is a matrix 4*3</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[x =  [ 0     0     0\n       1    48    17\n       0     2    99\n       14    0    3]]]></w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>we expect</w:t></w:r><w:r><w:t> </w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>2 output vectors</w:t></w:r><w:r><w:t>:</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[dg_elements = [0 48 99] % diagonal elements\n\nantidg_elements = [14 2 17 ] % anti-diagonal elements]]></w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Note : You do not have to permute anything. Just return the elements.</w:t></w:r></w:p></w:body></w:document>"},{"partUri":"/matlab/output.xml","contentType":"text/xml","content":"<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\" ?><embeddedOutputs><metaData><evaluationState>manual</evaluationState><layoutState>code</layoutState><outputStatus>ready</outputStatus></metaData><outputArray type=\"array\"/><regionArray type=\"array\"/></embeddedOutputs>"}]}

Solve

Solution Stats

933 Solutions
298 Solvers

Last Solution submitted on Sep 10, 2020

Last 200 Solutions

Problem Comments

2 Comments

2 Comments

Clément E. on 28 May 2018

I really don't see the point of that kind of problems where you can't use Matlab built-in functions.

Fazle Rabbi Riyad on 18 Oct 2018

which functions?

Problem Recent Solvers298

Problem Tags

Problem 859. Get the elements of diagonal and antidiagonal for any m-by-n matrix

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers298

Suggested Problems

More from this Author30

Problem Tags

Problem 859. Get the elements of diagonal and antidiagonal for any m-by-n matrix

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers298

Suggested Problems

More from this Author30

Problem Tags

Players